Brinkman Products, Inc., the parent company of CJWinter and Davenport Machine, is a full scale manufacturer of multi spindle screw machines, attachments and repair parts as well as specialty machine dies, thread rolling attachments and thread rolls.

CJWinter has been in business for almost sixty years and is one of the world s leading manufacturers of cold displacement, cylindrical dies and rolling attachments holders. CJWinter s products are found in traditional rolling applications such as those used to create threads, knurls or splines on parts manufactured from multi spindle screw machines, rotary transfer machines, CNC lathes and standalone secondary operation machines. CJWinter s products and forming dies are also found in specialty applications such as those used by the oil and gas industry to perform cold root rolling operations and by other industries that employ dedicated rolling, forming and shaping mills.

Utilizing its over half century of experience with multiple product installations on every continent except Antarctica, CJWinter developed cold roll tools specifically for Rotary Shouldered Connections in the Petroleum Industry.

Davenport Machine, Inc. has hundreds of attachments, which allow parts to be made complete in most cases, and eliminate expensive secondary operations. This unique versatility has kept Davenport Machine, Inc. in the forefront of screw machine technology for many years.